Element block pseudo-element :after generated with display block width 160px background margin 0px border 0px rgba(0,0,0,1) solid position fixed transition font-weight normal height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 border-radius box-sizing content-box float left z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default padding 20px overflow hidden transform font-size 16px